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Last modified by Xiaoling on 2023/05/26 14:19
From version 148.2
edited by Xiaoling
on 2022/08/17 08:54
Change comment: There is no comment for this version
To version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
26 -)))
27 -
28 -(((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 -)))
32 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
67 67  
68 -== 1.3  Specification ==
69 69  
70 70  
31 +
32 +== Specification ==
33 +
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,251 +86,222 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
52 +== AT Command ==
89 89  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
57 +== Dimension ==
93 93  
94 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
95 95  
96 96  
97 -~1. The LED lights up red when there is an upstream data packet
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 -3. Purple light on when receiving downlink data packets
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
66 +== Land Pattern ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
104 104  
105 105  
106 -**Show connection diagram：**
71 +== Part Number ==
107 107  
73 +Part Number: **LA66-XXX**
108 108  
109 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +**XX**: The default frequency band
110 110  
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
111 111  
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
88 += LA66 LoRaWAN Shield =
114 114  
90 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
115 115  
116 -[[image:image-20220723170545-4.png]]
92 +== Pin Mapping & LED ==
117 117  
94 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
96 +== Example: Join TTN network and send an uplink message, get downlink message. ==
119 119  
120 -(% style="color:blue" %)**2.  Open project**
98 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
100 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
122 122  
123 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
102 +=== what needs to be used ===
124 124  
125 -[[image:image-20220726135239-1.png]]
104 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
106 +2.Arduino
127 127  
128 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
108 +3.USB TO TTL
129 129  
130 -[[image:image-20220726135356-2.png]]
110 +[[image:image-20220602100052-2.png]]
131 131  
112 +=== Wiring Schematic ===
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
114 +[[image:image-20220602101311-3.png]]
134 134  
116 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
118 +GND  >>>>>>>>>>>>GND
137 137  
120 +TXD  >>>>>>>>>>>>TXD
138 138  
122 +RXD  >>>>>>>>>>>>RXD
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
124 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 141  
126 +Connect to the PC after connecting the wires
142 142  
143 -(% style="color:blue" %)**1.  Open project**
128 +[[image:image-20220602102240-4.png]]
144 144  
130 +=== Upgrade steps ===
145 145  
146 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
132 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
147 147  
134 +[[image:image-20220602102824-5.png]]
148 148  
149 -[[image:image-20220723172502-8.png]]
136 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
150 150  
138 +[[image:image-20220602104701-12.png]]
151 151  
140 +==== Open the upgrade application software ====
152 152  
153 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
142 +Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
154 154  
144 +[[image:image-20220602103227-6.png]]
155 155  
156 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
146 +[[image:image-20220602103357-7.png]]
157 157  
148 +===== Select the COM port corresponding to USB TTL =====
158 158  
150 +[[image:image-20220602103844-8.png]]
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
152 +===== Select the bin file to burn =====
161 161  
154 +[[image:image-20220602104144-9.png]]
162 162  
163 -(% style="color:blue" %)**1.  Open project**
156 +[[image:image-20220602104251-10.png]]
164 164  
158 +[[image:image-20220602104402-11.png]]
165 165  
166 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
160 +===== Click to start the download =====
167 167  
162 +[[image:image-20220602104923-13.png]]
168 168  
169 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
164 +===== The following figure appears to prove that the burning is in progress =====
170 170  
166 +[[image:image-20220602104948-14.png]]
171 171  
168 +===== The following picture appears to prove that the burning is successful =====
172 172  
173 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
170 +[[image:image-20220602105251-15.png]]
174 174  
172 += LA66 USB LoRaWAN Adapter =
175 175  
176 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
174 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
177 177  
176 +Before use, please make sure that the computer has installed the CP2102 driver
178 178  
178 +== Pin Mapping & LED ==
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
180 +== Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
182 +Connect the LA66 LoRa Shield to the PC
183 183  
184 -[[image:image-20220723175700-12.png||height="602" width="995"]]
184 +[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
186 +Open the serial port tool
186 186  
188 +[[image:image-20220602161617-8.png]]
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
190 +[[image:image-20220602161718-9.png||height="529" width="927"]]
189 189  
192 +Press the reset switch RST on the LA66 LoRa Shield.
190 190  
191 -=== 1.8.1  Items needed for update ===
194 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
192 192  
196 +[[image:image-20220602161935-10.png]]
193 193  
194 -1. LA66 LoRaWAN Shield
195 -1. Arduino
196 -1. USB TO TTL Adapter
198 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
197 197  
198 -[[image:image-20220602100052-2.png||height="385" width="600"]]
200 +example: AT+SENDB=01,02,8,05820802581ea0a5
199 199  
202 +[[image:image-20220602162157-11.png]]
200 200  
204 +Check to see if TTN received the message
201 201  
202 -=== 1.8.2  Connection ===
206 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
203 203  
208 +== Example Send & Get Messages via LoRaWAN in RPi ==
204 204  
205 -[[image:image-20220602101311-3.png||height="276" width="600"]]
210 +Connect the LA66 LoRa Shield to the RPI
206 206  
212 +[[image:image-20220602171233-2.png||height="592" width="881"]]
207 207  
208 -(((
209 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
210 -)))
214 +Log in to the RPI's terminal and connect to the serial port
211 211  
212 -(((
213 -(% style="background-color:yellow" %)**GND  <-> GND
214 -TXD  <->  TXD
215 -RXD  <->  RXD**
216 -)))
216 +[[image:image-20220602153146-3.png]]
217 217  
218 +Press the reset switch RST on the LA66 LoRa Shield.
219 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
218 218  
219 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
221 +[[image:image-20220602154928-5.png]]
220 220  
221 -Connect USB TTL Adapter to PC after connecting the wires
223 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
222 222  
225 +example: AT+SENDB=01,02,8,05820802581ea0a5
223 223  
224 -[[image:image-20220602102240-4.png||height="304" width="600"]]
227 +[[image:image-20220602160339-6.png]]
225 225  
229 +Check to see if TTN received the message
226 226  
231 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
227 227  
228 -=== 1.8.3  Upgrade steps ===
233 +=== Install Minicom ===
229 229  
235 +Enter the following command in the RPI terminal
230 230  
237 +apt update
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
239 +[[image:image-20220602143155-1.png]]
233 233  
241 +apt install minicom
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
243 +[[image:image-20220602143744-2.png]]
236 236  
245 +=== Send PC's CPU/RAM usage to TTN via script. ===
237 237  
247 +==== Take python as an example： ====
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
249 +===== Preconditions: =====
240 240  
251 +1.LA66 USB LoRaWAN Adapter works fine
241 241  
242 -[[image:image-20220817085447-1.png]]
253 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
243 243  
255 +===== Steps for usage =====
244 244  
257 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
259 +2.Run the script and see the TTN
247 247  
261 +[[image:image-20220602115852-3.png]]
248 248  
249 -(((
250 -(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
251 -)))
252 252  
253 253  
254 -[[image:image-20220602103227-6.png]]
265 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
255 255  
256 256  
257 -[[image:image-20220602103357-7.png]]
268 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
258 258  
259 -
260 -
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
263 -
264 -
265 -[[image:image-20220602103844-8.png]]
266 -
267 -
268 -
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 -
272 -
273 -[[image:image-20220602104144-9.png]]
274 -
275 -
276 -[[image:image-20220602104251-10.png]]
277 -
278 -
279 -[[image:image-20220602104402-11.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 -
286 -[[image:image-20220602104923-13.png]]
287 -
288 -
289 -
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 -
293 -
294 -[[image:image-20220602104948-14.png]]
295 -
296 -
297 -
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
300 -
301 -[[image:image-20220602105251-15.png]]
302 -
303 -
304 -
305 -= 2.  FAQ =
306 -
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
310 -
311 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -= 4.  Reference =
334 -
335 -
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
270 +
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